package com.code.day13;

import java.util.Scanner;

public class Day13UpAndLower {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        System.out.println("请输入字符串:");
        String str = sc.next();
        int bigCount = 0;
        int smallCount = 0;
        int numberCount = 0;
        for (int i = 0; i < str.length(); i++){
            char c = str.charAt(i);
            if(c >='A' && c<='Z') {
                bigCount++;
            } else if(c>='a' && c<='z') {
                smallCount++;
            } else if(c>='0' && c<='9') {
                numberCount++;
            }
        }
        System.out.println("大写字母有"+bigCount);
        System.out.println("小写字母有"+smallCount);
        System.out.println("数字有"+numberCount);
    }
}
